CSS Dig is a free Chrome add-on developed by Tom. It falls under the category of Browsers, specifically Add-ons & Tools. This program is designed to help users collect and analyze CSS on websites.

One of the main features of CSS Dig is its ability to find and group stylesheets and style blocks on most websites. This makes it easy for users to analyze the code and plan refactors. By examining all the CSS properties, their frequency, and variations, CSS Dig allows users to identify inconsistencies and potential confusion for developers and end users. For example, if there are too many shades of blue, it can indicate a lack of uniformity in design.

CSS Dig also offers insights into selectors and specificity. It helps users identify long selectors and excessive use of IDs, which can lead to specificity wars and complicate the CSS structure. By highlighting potential problem areas, CSS Dig enables users to create a plan for fixing and optimizing their CSS code.

Overall, CSS Dig is a valuable tool for anyone working with CSS. Its ability to collect and analyze CSS code provides developers with the necessary information to improve code quality and optimize website performance.